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Running 1 servo eliminates the chance that 2 servos become un-centered to each other, and fight each other leading to early failures.
I would lean towards the common theme is run the 2 stockers till 1 fails then replace them both with a single better servo (300oz.tq) and keep a 2075 for spares

i run dual 2075s. they are waterproof, have not died yet and have enough power, barely, to turn 40 series trenchers. when they die ill probably swap in dual 300+ oz/in servos just for that much more overkill.

A single servo is simply a better setup because there are less moving parts. Less moving parts is always better. Especially when they are little tiny electronic parts. IMO, getting a good quality single servo is a better choice than going with a cheap version. The servo is what steers your very fast truck. You want to know its going to work when you want/need it to.

I dont run in water so water proof is of no concern personally. Biggest reason I dont is Im a bit picky on keeping my small but still growing fleet immaculate and once you introduce water and dirt it becomes harder to clean. Somehow Ive managed to keep all traxxas. 2x slash 4x4, 1x slash 2wd and 2x ERBE.

hey 87 would you happen to know off the top of your head how many splines the savox servos have? or what servo arm do you use? i bought the one you had suggested and never thought of the arm to get duh on my part

I've been running that Savox SA-1230-SG in my Summit for 2 months now without an external BEC...its an awesome servo, and I am running the Savox SA-1231-SG in my eSlayer...I am happy with the Savox servos.

I am using the STRC STP6037S Alum Single Steering Servo Saver Arm and Ofna #10776Alum Servo Arm Horn 25-Tooth on both these builds.

I'll look for one...I bust my external BEC and am now running off the MMM esc. I set to 6V and am running my hitec 7950th off it with no issues...about 3 weeks now...I probably won't put a BEC back on.

While those will work, they are also overkill, even for up to 486 oz-in of torque. I've installed the Axial one (first link) and it is nicely massive. I've had no problem with installing three of these Dynamite horns (first 4 entries) and all are still functioning well.

^This is one reason I went with a Hitec when I made my purchase 3 weeks ago. Everything I needed came in the box. The only mods needed were enlarging the mounting hole on the included plastic horn to accept the 3mm stock screw. I also threw in a HD spring (5344x) too beef up the stock servo saver. Call me crazy, but I didnt feel a metal horn was necessary on this truck.

One of the best budget servos is a Hitec 7954 for $85 off of Amazon. I confirmed with a Hitec rep that purchases off of eBay or Amazon are still covered under warranty.

^This is one reason I went with a Hitec when I made my purchase 3 weeks ago. Everything I needed came in the box. The only mods needed were enlarging the mounting hole on the included plastic horn to accept the 3mm stock screw. I also threw in a HD spring (5344x) too beef up the stock servo saver. Call me crazy, but I didnt feel a metal horn was necessary on this truck.

One of the best budget servos is a Hitec 7954 for $85 off of Amazon. I confirmed with a Hitec rep that purchases off of eBay or Amazon are still covered under warranty.

All 4 horns I mentioned were mounted on Hitec 79xx servos. The plastic horns are not up to the tasks I set for my trucks.